The Utah State Legislature challenged UDOT to construct a project that would stimulate the Utah economy. Several projects were reviewed but the 12300 South Project had the best potential to provide economic stimulus, benefit the citizens and traveling public, and involve the community throughout the design and construction. UDOT chose to deliver the 12300 South Project using the Design-Build delivery system with the spirit of Context Sensitive Solutions from the beginning.

Solution

UDOT set the tone for the project team that fostered teamwork, attention to detail, and a commitment to take every opportunity to meet the needs of the community. The 12300 South Design Build project addressed the following transportation needs of the community:

The urban arterial was at or near capacity in most areas. The reconstruction provided two additional lanes in each direction relieving congestion considerably and adding appropriate access control for safety and efficiency.

The I-15/12300 South Interchange (simple diamond) was severely congested with ramps backing up onto mainline I-15 traffic. The interchange was redesigned to a modern urban SPUI.

The UP Railroad crossed at-grade causing serious delay and safety issues at the I-15/12300 South Interchange. Traffic would back up through the freeway interchange any time a freight train crossed. UDOT worked out a Context Sensitive solution with UP that carried the railroad over 12300 South.

A pedestrian overpass was constructed to provide safer pedestrian travel for children at the elementary school at 12300 South and 2700 West. Artwork from the local school was incorporated into the bridge abutments and railing.

Results

The involvement of the community was instrumental in incorporating all landscape and aesthetic treatments that highlighted the natural, historical, and present characteristics of Draper and Riverton Cities.

The project cost was approximately $115 million and was constructed from 2002-2004, 3 years ahead of the original schedule. The user cost savings estimate was approximately $10 million. Since the completion of the project, the communities have been able to benefit from new commercial development.